fresh protest erupted in benghazi. you are looking in video in focts news. two people were kill several others injured in the protest. hello, i am uma live from the nation's capitol we have complete analysis coming up. my one on one with senator john mccain and top lawmakeros both sides of the aisles. members of the intelligence services and foreign affairs committee. america's news headquarters starts right now. >> we begin with new information on the investigation of murders of four americans in libya. national security correspondent jennifer griffin is live with those details . what can you tell us? >> an f.b.i. team assign to the murder of ambassador chris stevens and three others is lookking into whether the group of 100 attackers had inside help from the private security contractors whom the state department had hire to guard inside of the benghazi conflict. susan collins asked the national counter terrorism the question in a committee hearing this week. the state department hired blue mountain group out of wales to vet and hire locall guards. the cont